| Summary of quarterly results of operations |
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Quarter
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First
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Second
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Third
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Fourth
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Total
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2018
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Revenues
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$
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17,260
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$
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20,584
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$
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22,660
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$
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23,433
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$
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83,937
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Gross profit
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14,547
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17,478
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19,196
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19,793
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71,014
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Net loss
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(5,644)
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(7,427)
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(4,102)
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(5,224)
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(22,397)
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Loss per common share - basic and diluted
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(0.16)
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(0.20)
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(0.11)
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(0.13)
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(0.60)
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2017
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Revenues
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$
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12,241
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$
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15,168
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$
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16,046
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$
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16,971
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$
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60,426
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Gross profit
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10,325
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12,891
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13,542
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14,357
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51,115
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Net loss
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(3,762)
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(2,060)
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(2,124)
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(2,499)
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(10,445)
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Loss per common share - basic and diluted
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(0.11)
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(0.06)
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(0.06)
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(0.07)
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(0.31)
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